Table 1. Mean prevalence of S. mansoni infection and the number of unique 16S/COI haplotypes (No.), haplotype diversity scores (Hd) and nucleotide diversity values (π) of each Biomphalaria species genotyped at our Lake Albert and Lake Victoria collection sites (August 2010 collection).
Lake Albert | |||||||||
Species | No. Infected | Site Infection | 16S | COI | |||||
No. | Hd | π | No. | Hd | π | ||||
Bugoigo | B. sudanica (n = 20) | 3 | 12.5% | 7 | 0.784 | 0.000 | 3 | 0.532 | 0.002 |
B. pfeifferi (n = 20) | 2 | 2 | 0.337 | 0.000 | 4 | 0.489 | 0.001 | ||
Piida | B. sudanica (n = 20) | 2 | 10% | 6 | 0.716 | 0.000 | 2 | 0.521 | 0.002 |
Walukuba | B. stanleyi (n = 20) | 3 | 13.3% | 10 | 0.884 | 0.002 | 10 | 0.815 | 0.003 |
B. sudanica (n = 20) | 3 | 10 | 0.884 | 0.001 | 4 | 0.553 | 0.002 | ||
B. pfeifferi (n = 20) | 2 | 3 | 0.468 | 0.001 | 6 | 0.832 | 0.002 | ||
Lake Victoria | |||||||||
Species | No. Infected | Site Infection | 16S | COI | |||||
No. | Hd | π | No. | Hd | π | ||||
Bugoto | B. choanomphala (n = 20) | 1 | 5% | 11 | 0.884 | 0.008 | 5 | 0.774 | 0.004 |
Bukoba | B. choanomphala (n = 20) | 1 | 5% | 15 | 0.958 | 0.007 | 10 | 0.89 | 0.005 |
Lwanika | B. choanomphala (n = 20) | 2 | 10% | 16 | 0.963 | 0.008 | 9 | 0.826 | 0.005 |
Note: Schistosoma mansoni infection was determined based on whether snails had a diagnostic band for both SmF/R (~350bp) and ND5 (~302bp).